The introspection process allows the JSP engine to populate a JavaBean with the values provided by a client through an HTML form. //when the names of the bean properties match
When you need to execute the same SQL statement (in general an UPDATE) multiple times with different parameter values you can use the PrepareStatement method like this: Connection conn=null;PreparedStatement pst=null;String[]
You can change the assembly version quickly by including the bindingRedirect element in the web.config file. For example, suppose you need to redirect a particular old version dll hit to
The following code demonstrates how to convert a java.util.Date object to a java.sql.Date object: import java.sql.*;import java.util.*;public class cs{public static void main(String[] args) { GregorianCalendar date_1=(GregorianCalendar)Calendar.getInstance(); System.out.println(date_1.getTime()); java.sql.Date date_2= new
The Sizeof () operator only works at compile time and doesn’t evaluate anything at run time. In the following code snippet, the func() function is never called. The inner sizeof()
NET 2.0’s System.Security namespace includes the SecureString class, which lets you create encrypted strings and delete them from memory when they’re no longer needed. You can even make a string
When sending emails via SMTP in .NET, developers seldom check to ensure the SMTP service is installed and running. Here’s some code to perform the check and start the service
The Microsoft Visual J# .NET 1.1 Class Library (vjslib.dll) contains methods you can use to compress a file. The following code demonstrates how to use them. /* Code to zip
There have been a lot of enhancements to existing features in Java 1.5 (5.0). One of the simplest improvements is to the most commonly used for loop. Here’s how it